00395nam a2200145Ia 4500008004100000020002200041041000800063082001400071100001000085245004000095250001600135260005400151650002800205700001600233230711s9999||||xx |||||||||||||| ||und||  a978-81-224-3347-0  aENG  a621bDA-D  aDas,J 0aPrinciples of digital communication  a2nd . . Ed.  c2012aNew DelhibNew Age International Publishers  aElectronics Engineering  aMullick S K